What is the pH of a solution that has a hydronium ion concentration of 3.98 x 10^-9 M?

Name: What is the pH of a solution that has a hydronium ion concentration of 3.98 x 10 -9 M?
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Quizplus · Accepted Answer

The pH of a solution is calculated using the formula pH = -log[H3O+], where [H3O+] is the concentration of hydronium ions in moles per liter (M). Plugging in the given concentration of 3.98 x 10^-9 M, we get pH = -log(3.98 x 10^-9) = 8.400.

What Is the PH of a Solution That Has a Hydronium